The space between a 1.5mm plate and PCB is 3.5mm. This item is cut from a 3mm sheet of Cork.
This item will improve the sound of your keyboard by reducing the empty space underneath your plate that causes reverb and echo.
*TKL Cork Plate is Modular, with separate sections for the F-row and Nav Cluster. This allows it to fit most TKLs however, additional cutting with scissors is required for the spacebar